S-92186A326 1/4"-28 x 2 1/4" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws
Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments like marine and chemical processing.
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity and durability in demanding applications.
- Precise Class 2A thread fit provides smooth assembly and secure fastening with reduced risk of cross-threading.
- External hex drive design allows for easy installation and removal using standard tools, improving workflow efficiency.
- Fine UNF thread spacing offers enhanced vibration resistance and better clamping force in dynamic conditions.
- Partial threading enables optimal grip and stress distribution, minimizing material fatigue over time.
- Compliance with ASME B18.2.1, RoHS 3, and REACH ensures regulatory adherence and safe use across global industries.
Professional Applications & Engineering Value
This 316 stainless steel hex head screw is engineered to address common industrial challenges, such as corrosion in aggressive settings and mechanical stress in high-vibration machinery. The UNF fine thread and Class 2A fit deliver precise engagement, reducing the likelihood of loosening under dynamic loads. With a Rockwell B70 hardness and 70,000 psi tensile strength, it provides long-term reliability in applications like marine equipment, chemical processing systems, and structural assemblies. The external hex drive simplifies maintenance, while the partial threading ensures effective clamping without compromising joint integrity, making it a versatile choice for engineers seeking durable, compliant fasteners.
Specification Summary & Compliance
This screw features a 1/4"-28 UNF fine thread with Class 2A tolerance for accurate fit, manufactured to ASME B18.2.1 standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial use.
